html, body { overflow-x: hidden; }
body { font-family: 'Noto Sans KR', sans-serif; }
.btn-primary { background: linear-gradient(135deg, #ef5350, #e53935); transition: all 0.3s ease; }
.btn-primary:hover:not(:disabled) { background: linear-gradient(135deg, #e53935, #c62828); transform: translateY(-2px); box-shadow: 0 8px 25px rgba(229, 57, 53, 0.4); }
.btn-primary:disabled { opacity: 0.6; cursor: not-allowed; }
.floating { animation: float 3s ease-in-out infinite; }
@keyframes float { 0%, 100% { transform: translateY(0); } 50% { transform: translateY(-10px); } }
.divider { display: flex; align-items: center; gap: 12px; color: #94a3b8; font-size: 12px; }
.divider::before, .divider::after { content: ''; flex: 1; height: 1px; background: #e2e8f0; }
.code-input { letter-spacing: 0.3em; text-transform: uppercase; }
.code-input::placeholder { letter-spacing: 0.1em; text-transform: none; }